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UC2855BDWTR from TI,Texas Instruments

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UC2855BDWTR

Manufacturer: TI

High Performance Power Factor Preregulator

Partnumber Manufacturer Quantity Availability
UC2855BDWTR TI 776 In Stock

Description and Introduction

High Performance Power Factor Preregulator The UC2855BDWTR is a high-speed PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC2855BDWTR  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** 10V to 22V  
- **Output Voltage:** Adjustable  
- **Switching Frequency:** Up to 1MHz  
- **Duty Cycle Range:** 0% to 100%  
- **Output Drive Current:** ±2A (peak)  
- **Control Method:** Voltage Mode PWM  

### **Descriptions:**
The UC2855BDWTR is a high-performance PWM controller designed for power supply applications. It provides precise voltage regulation and supports high-frequency switching, making it suitable for DC-DC converters, offline power supplies, and other power management systems. The device includes features like soft-start, undervoltage lockout (UVLO), and error amplification for stable operation.

### **Features:**
- **High-Speed Operation:** Supports switching frequencies up to 1MHz.  
- **Voltage Mode Control:** Ensures stable regulation.  
- **Adjustable Output:** Allows flexible design configurations.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage limits.  
- **Error Amplifier:** Provides accurate feedback control.  
- **High Peak Output Current:** ±2A for driving power MOSFETs efficiently.  
- **Wide Input Voltage Range:** 10V to 22V.  
- **Thermally Enhanced Package:** SOIC-16 for improved heat dissipation.  

This information is strictly factual and derived from the manufacturer's datasheet.

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